19931660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{142369}}^1$

素因数の和:142385

約数の個数: 24

約数和(自身を含む): 47836320

約数和(自身を除く): 27904660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 142369, 284738, 569476, 711845, 996583, 1423690, 1993166, 2847380, 3986332, 4982915, 9965830, 19931660]

約数ペア:

[(1, 19931660), (2, 9965830), (4, 4982915), (5, 3986332), (7, 2847380), (10, 1993166), (14, 1423690), (20, 996583), (28, 711845), (35, 569476), (70, 284738), (140, 142369)]